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The whole point of the GW fillet is the FOB, what it does is limit the flow of air out of the keg which in turn limits the flow of be into the keg reducing foaming. The nicest part is that when the keg is full of pushes into the FOB and pushes the ball up and shuts off. This is nice because you can do other items around the brewery and not have to wait for it.

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You're right, but the sanke coupler with the FOB is 250$, not 100$!!! It's just the sanke coupler alone that is 100$. The FOB alone can be had for 149$. (http://www.gwkent.com/proline-ii-keg-filler-fob.html). Is there something magical, other than it being stainless, about this:

The GWKent filler gets you the stainless micromatic coupler, 2 beer thread ball valves (NOT PICTURED on their website), 2 beer nuts, and two 1/2" tailpieces. The rest of the cost that doesn't add up is the 2 ball valves that aren't pictured.

Just a word of warning on these too - we have purchased a half dozen of them and sent 3 back because the threads were completely galled an unusable. Might be better off purchasing separate and assembling yourself...

The GWKent filler gets you the stainless micromatic coupler, 2 beer thread ball valves (NOT PICTURED on their website), 2 beer nuts, and two 1/2" tailpieces. The rest of the cost that doesn't add up is the 2 ball valves that aren't pictured.

Just a word of warning on these too - we have purchased a half dozen of them and sent 3 back because the threads were completely galled an unusable. Might be better off purchasing separate and assembling yourself...

Cheers,
Tom

Oh!! Well, that explains it. Where do the ball valves live - between the sanke adapter and the FOB, or after the FOB??

GW has cool stuff, but I really wish their website (and their pricing) was a bit better.

Good question on the product that contains the FOB - I was referring to this product: http://www.gwkent.com/stainless-stee...ling-head.html that is just a manual filling coupler, sans FOB. The product photo looks like a plain SS coupler with some tailpieces but it actually ships with 2 ball valves as well.

Good question on the product that contains the FOB - I was referring to this product: http://www.gwkent.com/stainless-stee...ling-head.html that is just a manual filling coupler, sans FOB. The product photo looks like a plain SS coupler with some tailpieces but it actually ships with 2 ball valves as well.

and the ball valves are supposed to go between the tailpieces and the sanke connector??

Correct - Ball valve on both the beer inlet (vertical connection) and gas outlet (~45° connection). That way you have flow control going into the keg, which normally is wide open or completely closed, and flow control of the pressure being vented out of the keg as the beer displaces it. The tailpiece on the gas side allows you to run a blowoff hose to a bucket of sani so a full keg blows foam/beer to the bucket rather than your pants